RFR: JDK-8307184: Incorrect/inconsistent specification and implementation for Elements.getDocComment [v5]

[Joe Darcy]

> Start by just reformatting the existing specs to highlight subsequent spec changes.

Joe Darcy has updated the pull request incrementally with one additional commit since the last revision:

  Appease jcheck.

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Changes:
  - all: https://git.openjdk.org/jdk/pull/15062/files
  - new: https://git.openjdk.org/jdk/pull/15062/files/9ac4610a..9b436d26

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=15062&range=04
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=15062&range=03-04

  Stats: 3 lines in 1 file changed: 0 ins; 1 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/15062.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/15062/head:pull/15062

PR: https://git.openjdk.org/jdk/pull/15062